What’s Vulnerable › Vulnerabilities

CVE-2026-80814: rndis_host: add overflow check in rndis_rx_fixup()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: rndis_host: add overflow check in rndis_rx_fixup() Add an overflow check to ensure that data_offset + data_len + 8 does not wrap, which would enable an OOB read of the USB data buffer.

Affected products

• Linux kernel: 2.6.14 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/10a6b99079697c5027b25352e882bdf54fef702a
• https://git.kernel.org/stable/c/2140db1232af04b92faa6c4a2a40df6371ea89ff
• https://git.kernel.org/stable/c/2ded89ca77fae1da6886fe94831acfe4d6aa80b1
• https://git.kernel.org/stable/c/8ca3bd404d076495ed0b274b65971c57b6fd5ac0
• https://git.kernel.org/stable/c/965a251f23ff69cfb4486974d4532e9bb551c7fc
• https://git.kernel.org/stable/c/be7dc3650f799a253df4edd4fe230fc9ea4be063
• https://git.kernel.org/stable/c/c5398ce6db7647b7004d73a3102ccc25fb4bb596
• https://git.kernel.org/stable/c/e971d956353d382ee2185d71c47b538501a43f76
• https://git.kernel.org/stable/c/f8e6fde5db87f855e99b200e392467274f0eb9d7

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